XML 15 R4.htm IDEA: XBRL DOCUMENT
v3.24.3

Condensed Consolidated Statement of Stockholders' Equity - USD ($) $ in Millions | Total | Common Stock | Capital in excess of par value | Retained earnings | Accumulated other comprehensive income (loss) | Treasury stock
--- | --- | --- | --- | --- | --- | ---
Balance at beginning of period at Dec. 31, 2022 | $ 10,687 | $ 888 | $ 4,037 | $ 16,261 | $ 344 | $ (10,843)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Issuance of common and treasury stock pursuant to Employee stock plans | 8 |  | 1 |  |  | 7
Share-based compensation | 20 |  | 20 |  |  |
Cash dividends, $0.18 per share | (107) |  |  | (107) |  |
Comprehensive income (loss) | (306) |  |  | (159) | (147) |
Balance at end of period at Mar. 31, 2023 | 10,302 | 888 | 4,058 | 15,995 | 197 | (10,836)
Balance at beginning of period at Dec. 31, 2022 | 10,687 | 888 | 4,037 | 16,261 | 344 | (10,843)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Comprehensive income (loss) | 574 |  |  |  |  |
Balance at end of period at Sep. 30, 2023 | 11,054 | 888 | 4,135 | 16,657 | 201 | (10,827)
Balance at beginning of period at Mar. 31, 2023 | 10,302 | 888 | 4,058 | 15,995 | 197 | (10,836)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Issuance of common and treasury stock pursuant to Employee stock plans | 16 |  | 11 |  |  | 5
Share-based compensation | 34 |  | 34 |  |  |
Cash dividends, $0.18 per share | (107) |  |  | (107) |  |
Comprehensive income (loss) | 544 |  |  | 683 | (139) |
Balance at end of period at Jun. 30, 2023 | 10,789 | 888 | 4,103 | 16,571 | 58 | (10,831)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Issuance of common and treasury stock pursuant to Employee stock plans | 13 |  | 9 |  |  | 4
Share-based compensation | 23 |  | 23 |  |  |
Cash dividends, $0.18 per share | (107) |  |  | (107) |  |
Comprehensive income (loss) | 336 |  |  | 193 | 143 |
Balance at end of period at Sep. 30, 2023 | 11,054 | 888 | 4,135 | 16,657 | 201 | (10,827)
Balance at beginning of period at Dec. 31, 2023 | 10,515 | 888 | 4,153 | 16,297 | 0 | (10,823)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Issuance of common and treasury stock pursuant to Employee stock plans | (10) |  | (25) |  |  | 15
Share-based compensation | 10 |  | 10 |  |  |
Cash dividends, $0.18 per share | (107) |  |  | (107) |  |
Comprehensive income (loss) | (212) |  |  | (231) | 19 |
Balance at end of period at Mar. 31, 2024 | 10,196 | 888 | 4,138 | 15,959 | 19 | (10,808)
Balance at beginning of period at Dec. 31, 2023 | 10,515 | 888 | 4,153 | 16,297 | 0 | (10,823)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Comprehensive income (loss) | 167 |  |  |  |  |
Balance at end of period at Sep. 30, 2024 | 10,411 | 888 | 4,180 | 16,178 | (37) | (10,798)
Balance at beginning of period at Mar. 31, 2024 | 10,196 | 888 | 4,138 | 15,959 | 19 | (10,808)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Issuance of common and treasury stock pursuant to Employee stock plans | 17 |  | 12 |  |  | 5
Share-based compensation | 7 |  | 7 |  |  |
Cash dividends, $0.18 per share | (108) |  |  | (108) |  |
Stock warrants repurchase | (6) |  | (6) |  |  |
Comprehensive income (loss) | 359 |  |  | 367 | (8) |
Balance at end of period at Jun. 30, 2024 | 10,465 | 888 | 4,151 | 16,218 | 11 | (10,803)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Issuance of common and treasury stock pursuant to Employee stock plans | 15 |  | 10 |  |  | 5
Share-based compensation | 19 |  | 19 |  |  |
Cash dividends, $0.18 per share | (107) |  |  | (107) |  |
Comprehensive income (loss) | 19 |  |  | 67 | (48) |
Balance at end of period at Sep. 30, 2024 | $ 10,411 | $ 888 | $ 4,180 | $ 16,178 | $ (37) | $ (10,798)

X
- Definition Adjustments To Additional Paid In Capital, Warrants Repurchased + References No definition available. + Details
Name: | luv_AdjustmentsToAdditionalPaidInCapitalWarrantsRepurchased
Namespace Prefix: | luv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Aggregate change in value for stock issued during the period as a result of employee stock plans + References No definition available. + Details
Name: | luv_StockIssuedDuringPeriodValueEmployeeStockPlans
Namespace Prefix: | luv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 35 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480483/718-10-35-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 20 -Section 55 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481089/718-20-55-13 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 20 -Section 55 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481089/718-20-55-12 + Details
Name: | us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(24)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(26)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(22)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1A -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-1A Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-1B Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(20)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-5 + Details
Name: | us-gaap_ComprehensiveIncomeNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 2 -SubTopic 405 -Topic 942 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477787/942-405-45-2 + Details
Name: | us-gaap_DividendsCash
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_IncreaseDecreaseInStockholdersEquityRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(30)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(31)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 852 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481372/852-10-55-10 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Topic 946 -SubTopic 830 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479168/946-830-55-12 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(19)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.6-05(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-2 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-09(4)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-3 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-09(6)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-3 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-09(7)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-3 Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(g)(1)(ii)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3 Reference 13: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 28 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-28 Reference 14: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 4.E) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480418/310-10-S99-2 + Details
Name: | us-gaap_StockholdersEquity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant